Home / 5,614.92-7,749.68-3,257.21

Finding the Fourth Proportional to 5,614.92, 7,749.68 and 3,257.21

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Solution

The fourth proportional to 5,614.92, 7,749.68 and 3,257.21 is: 4,495.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.92 : 7,749.68 = 3,257.21 : x
  2. Step 2: Convert to fraction form
    5,614.92/7,749.68 = 3,257.21/x
  3. Step 3: Cross multiply
    5,614.92x = 7,749.68 × 3,257.21
  4. Step 4: Simplify right side
    5,614.92x = 25,242,338.28
  5. Step 5: Solve for x
    x = 25,242,338.28/5,614.92
  6. Step 6: Final answer
    x = 4,495.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.